Treasury House, 10 Downing Street, London: Plan of Sir Robert Walpole's Dressing Room (Middle Room, West Front, First Floor)

Treasury House, 10 Downing Street, London: Plan of the Great Middle Room (Sir Robert Walpole's Levee Room, Northwest Corner, First Floor)

Isaac Ware, William Kent, Robert Walpole, 1st Earl of Orford

Treasury House, 10 Downing Street, London: Plan of the End Room Below (Northwest Corner Room, First Floor)

Isaac Ware, William Kent, Robert Walpole, 1st Earl of Orford

Treasury House, 10 Downing Street, London: Plan of the First-floor Parlor (Northeast Corner Room)

Isaac Ware, William Kent, Robert Walpole, 1st Earl of Orford

A Plan of the Gallery Floor over Offices, and Two Side Walls, Queens Square, Camden, London

Anonymous, British, late 18th–early 19th century

Chamberlin House, Red Hook, Brooklyn, New York (plan of principal floor)

Alexander Jackson Davis

Design for Small Gothic Cottage, Design IV from The Architecture of Country Houses

Alexander Jackson Davis

Tomb of Annia Regilla, plan (recto) Arch of the Argentarii, ornamental details, elevation (verso)

Drawn by Anonymous, French, 16th century

Moldings for Gothic Library Bookcase, from Chippendale Drawings, Vol. II

Thomas Chippendale

Moldings for Desk and Bookcase, from Chippendale Drawings, Vol. II

Thomas Chippendale

Plan for Garden Pavilion

After Robert Morris

Technical Drawing with a Section of an Oriel Window for the Tower of Lyndhurst for George Merritt, Tarrytown, New York

Alexander Jackson Davis

Plan for Garden Pavilion

After Robert Morris